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Please ask your sales person at the time of the order to confirm price, including S&H charges.

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Chevrolet 8.5" Ring and Pinions Sets and Differential Parts

Having problems with Chevrolet GM 8.5 10 bolt rear end? This 10 bolt rear end is sometime refered to as 10 bolt differential, 10 bolt and 10 bolt truck rear end. We offer the most complete line of rear end parts utilized GM used this very popular differential in there full size

Purchase your parts @ drivetrain.com and receive telephone access to experienced
differential technician to assist you with installation, we help you solve the problem.

Specifications

10-5/8"
10 HOLES
Irregular Gasket Pattern

RG Diameter 8.50"

10 7/16" X 20 LH Threaded Bolts

PINION Diameter 1.626", 30 Spline

CASE: 2.56 & Down, 2.73 Numerically Higher

8620 Material Heat-Treated

Assembly Specifications:

Cover Bolt Ft. Lbs. 20

Pinion Bearing Preload In. Lbs 24-25

Pinion Bearing Preload In. Lbs 10-15 Used

Ring Gear Backlash .005-.009

Ring Gear Bolt to case Ft. Lbs. 90

Side Bearing Caps Ft. Lbs. 60

Differential Ring Gear and Pinion Sets

Quality Gears provide guaranteed performance

Part Number

OE Number

Ratio

Teeth

Price

GM10-308

1258709

3.08

40-13

$207.33

GM10-342

1258710

3.42

41-12

$207.33

GM10-373

1259441

3.73

41-11

$207.33

GM10-373IFS

3.73

41-11

$241.66

GM10-411

26009753

4.11

37-9

$208.33

GM10-411IFS

4.11

37-9

$291.66

GM10-456

4.56

41-9

$208.33

GM10-456IFS

4.56

41-9

$294.66

G885488

4.88

39-8

$241.66

G885513

5.13

41-8

$241.66

G885342IFS

3.42

41-12

$241.66

G885373IFS

3.73

41-11

$241.66

G885411IFS

4.11

37-9

$241.66

G885456IFS

4.56

41-9

$241.66

Is your GM 10 Bolt to weak for your application see our
14 Bolt drop-in replacement differential assembly,
it is the answer to your problem. You can use your existing wheels and
tires.

Differential Parts

Description

Part Number

Price

Order above high performance synthetic oil and friction additive
combo kit at time of order for ring and pinion or bearing overhaul kit
and pay only $49.95 plus S&H, a $54.00 value. Red
Line Oil Products that we recommend.